Home / 49,046.40-73,579.20-20,966.40

Finding the Fourth Proportional to 49,046.40, 73,579.20 and 20,966.40

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Solution

The fourth proportional to 49,046.40, 73,579.20 and 20,966.40 is: 31,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,046.40 : 73,579.20 = 20,966.40 : x
  2. Step 2: Convert to fraction form
    49,046.40/73,579.20 = 20,966.40/x
  3. Step 3: Cross multiply
    49,046.40x = 73,579.20 × 20,966.40
  4. Step 4: Simplify right side
    49,046.40x = 1,542,690,938.88
  5. Step 5: Solve for x
    x = 1,542,690,938.88/49,046.40
  6. Step 6: Final answer
    x = 31,453.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.